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Ionis Pharmaceuticals (IONS) Shares Outstanding: 2009-2025

Historic Shares Outstanding for Ionis Pharmaceuticals (IONS) over the last 8 years, with Sep 2025 value amounting to $161.1 million.

  • Ionis Pharmaceuticals' Shares Outstanding rose 2.11% to $161.1 million in Q3 2025 from the same period last year, while for Sep 2025 it was $161.1 million, marking a year-over-year increase of 2.11%. This contributed to the annual value of $157.9 million for FY2024, which is 9.40% up from last year.
  • Ionis Pharmaceuticals' Shares Outstanding amounted to $161.1 million in Q3 2025, which was up 1.22% from $159.2 million recorded in Q2 2025.
  • Ionis Pharmaceuticals' Shares Outstanding's 5-year high stood at $161.1 million during Q3 2025, with a 5-year trough of $140.9 million in Q1 2021.
  • In the last 3 years, Ionis Pharmaceuticals' Shares Outstanding had a median value of $146.0 million in 2024 and averaged $151.0 million.
  • Data for Ionis Pharmaceuticals' Shares Outstanding shows a peak YoY rose of 10.06% (in 2024) over the last 5 years.
  • Quarterly analysis of 5 years shows Ionis Pharmaceuticals' Shares Outstanding stood at $141.2 million in 2021, then rose by 0.60% to $142.1 million in 2022, then grew by 1.61% to $144.3 million in 2023, then climbed by 9.40% to $157.9 million in 2024, then rose by 2.11% to $161.1 million in 2025.
  • Its last three reported values are $161.1 million in Q3 2025, $159.2 million for Q2 2025, and $159.0 million during Q1 2025.